| yellow spot | An oval area of the sensory retina, 3 by 5 mm, temporal to the optic disk corresponding to the posterior pole of the eye; at its centre is the central fovea, which contains only retinal cones. Synonym: area centralis, macula lutea, macular area, punctum luteum, Soemmerring's spot, yellow spot. (05 Mar 2000) |
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| yellow vision | <ophthalmology> A form of chromatopsia in which objects looked at appear yellow. Origin: Gr. Opsis = vision (11 May 1997) |
| yellow wax | A yellowish, solid, brittle substance prepared from the honeycomb of the bee, Apis mellifera; the chief constituent is myricin (myricyl palmitate); others are cerotic acid (cerin), melissic acid, heptacosane, and hentriacontane; used in the preparation of ointments, cerates, plasters, and suppositories. (05 Mar 2000) |
| yellow yolk | The chief constituent of the yolk in a bird's egg; it consists of relatively coarse particles of stored food materials and is laid down in concentric zones with interposed thin layers of white yolk. (05 Mar 2000) |
| yellow-eyed | Having yellow eyes. <botany> Yellow-eyed grass, any plant of the genus Xyris. Source: Websters Dictionary (01 Mar 1998) |
| yellow-golds | <botany> A certain plant, probably the yellow oxeye. Source: Websters Dictionary (01 Mar 1998) |
| yellowammer | <zoology> See Yellow-hammer. Source: Websters Dictionary (01 Mar 1998) |
| yellowbill | <zoology> The American scoter. Source: Websters Dictionary (01 Mar 1998) |
| yellowbird | <zoology> The American goldfinch, or thistle bird. See Goldfinch. The common yellow warbler; called also summer yellowbird. Source: Websters Dictionary (01 Mar 1998) |
| yellowfin | <zoology> A large squeteague. Source: Websters Dictionary (01 Mar 1998) |
| yellowfish | <zoology> A rock trout (Pleurogrammus monopterygius) found on the coast of Alaska. Synonym: striped fish, and Atka mackerel. Source: Websters Dictionary (01 Mar 1998) |
| yellowhammer | <zoology> A common European finch (Emberiza citrinella). The colour of the male is bright yellow on the breast, neck, and sides of the head, with the back yellow and brown, and the top of the head and the tail quills blackish. Synonym: yellow bunting, scribbling lark, and writing lark. Alternative forms: yellow-ammer. The flicker. Origin: For yellow-ammer, where ammer is fr. AS. Amore a kind of bird; akin to G. Ammer a yellow-hammer, OHG. Amero. Source: Websters Dictionary (01 Mar 1998) |
| yellowlegs | <zoology> Any one of several species of long-legged sandpipers of the genus Totanus, in which the legs are bright yellow. Synonym: stone snipe, tattler, telltale, yellowshanks; and yellowshins. See Tattler. Source: Websters Dictionary (01 Mar 1998) |
| yellowroot | <botany> Any one of several plants with yellow roots. Specifically: See Xanthorhiza. Same as Orangeroot. Source: Websters Dictionary (01 Mar 1998) Previous: yellow mercury iodide, yellow nail, yellow nail syndrome, yellow precipitateNext: yellow root, yellows, yellowseed, yellowshins, yellow skinyellow root hydrastis |
| yellows | 1. <veterinary> A disease of the bile in horses, cattle, and sheep, causing yellowness of the eyes; jaundice. "His horse . . . Sped with spavins, rayed with the yellows." (Shak) 2. <botany> A disease of plants, especially. Of peach trees, in which the leaves turn to a yellowish colour; jeterus. 3. <zoology> A group of butterflies in which the predominating colour is yellow. It includes the common small yellow butterflies. Synonym: redhorns, and sulphurs. See Sulphur. Source: Websters Dictionary (01 Mar 1998) |
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| yeast |
common name for an artificial assemblage of higher fungi which have temporarily or permanently abandoned the use of hyphal thalli; they are unicellular, and vegetative reproduction is generally by budding or fission.
Ãâó: www.anbg.gov.au/glossary/webpubl/fungloss.htm
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| yellow fever |
A viral disease occuring in central Africa and central and south America, spread by mosquitoes. Fever and headache after a 48 hours incubation period are mild symptoms, but the disease can be severe, including nausea, vominting and constipation. Only symptomatic supportive therapy is available.
Ãâó: www.gastrolab.net/dictey.htm
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| Yersinia |
A group of gram-negative anaerobic rod-shaped bacterias belonging to the Enterobacteriaceae-family. To this bacteria genus belongs Yersinia pestis, the bacteria causing plague, and Yersinia enterocolitica and Yersinia pseudotuberculosis, bacterias causing acute bowel infections in humans.
Ãâó: www.gastrolab.net/dictey.htm
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| Yersin |
(1863-1943) A Swiss bacteriologist working in Paris, who has given his name to the Yersinia-bacterias.
Ãâó: www.gastrolab.net/dictey.htm
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| yellow fever |
A contagious infectious disease caused by a virus and spread by mosquitoes that pick up the disease from monkeys. Found mainly in Africa and Latin America, its symptoms include jaundice, muscle pain, high fever, bleeding, and sometimes death.
Ãâó: www.ecohealth101.org/glossary.html
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| YE | marked by spirited enjoyment |
|---|---|
| YE | Irish poet and dramatist (1865-1939) |
| YE | in the manner of William Butler Yeats |
| YE | the capital and largest city of Japan |
| YE | the capital and largest city of Japan |
| YE | British violinist (born in the United States) who began his career as a child prodigy in the 1920s (1916-1999) |
| YE | city in east central Ukraine on the Dnieper River |
| YE | a loud utterance |
| YE | a loud utterance of emotion (especially when inarticulate) |
| YE | utter or declare in a very loud voice |
| YE | utter a sudden loud cry |
| YE | in a vehement outcry |
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